1 files changed, 93 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c
new file mode 100644
index 000000000000..668cf3322285
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/gm107.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2014 Martin Peres
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Martin Peres
+ */
+
+#include "priv.h"
+
+struct gm107_therm_priv {
+        struct nouveau_therm_priv base;
+};
+
+static int
+gm107_fan_pwm_ctrl(struct nouveau_therm *therm, int line, bool enable)
+{
+        /* nothing to do, it seems hardwired */
+        return 0;
+}
+
+static int
+gm107_fan_pwm_get(struct nouveau_therm *therm, int line, u32 *divs, u32 *duty)
+{
+        *divs = nv_rd32(therm, 0x10eb20) & 0x1fff;
+        *duty = nv_rd32(therm, 0x10eb24) & 0x1fff;
+        return 0;
+}
+
+static int
+gm107_fan_pwm_set(struct nouveau_therm *therm, int line, u32 divs, u32 duty)
+{
+        nv_mask(therm, 0x10eb10, 0x1fff, divs); /* keep the high bits */
+        nv_wr32(therm, 0x10eb14, duty | 0x80000000);
+        return 0;
+}
+
+static int
+gm107_fan_pwm_clock(struct nouveau_therm *therm, int line)
+{
+        return nv_device(therm)->crystal * 1000;
+}
+
+static int
+gm107_therm_ctor(struct nouveau_object *parent,
+                struct nouveau_object *engine,
+                struct nouveau_oclass *oclass, void *data, u32 size,
+                struct nouveau_object **pobject)
+{
+        struct gm107_therm_priv *priv;
+        int ret;
+
+        ret = nouveau_therm_create(parent, engine, oclass, &priv);
+        *pobject = nv_object(priv);
+        if (ret)
+                return ret;
+
+        priv->base.base.pwm_ctrl = gm107_fan_pwm_ctrl;
+        priv->base.base.pwm_get = gm107_fan_pwm_get;
+        priv->base.base.pwm_set = gm107_fan_pwm_set;
+        priv->base.base.pwm_clock = gm107_fan_pwm_clock;
+        priv->base.base.temp_get = nv84_temp_get;
+        priv->base.base.fan_sense = nva3_therm_fan_sense;
+        priv->base.sensor.program_alarms = nouveau_therm_program_alarms_polling;
+        return nouveau_therm_preinit(&priv->base.base);
+}
+
+struct nouveau_oclass
+gm107_therm_oclass = {
+        .handle = NV_SUBDEV(THERM, 0x117),
+        .ofuncs = &(struct nouveau_ofuncs) {
+                .ctor = gm107_therm_ctor,
+                .dtor = _nouveau_therm_dtor,
+                .init = nvd0_therm_init,
+                .fini = nv84_therm_fini,
+        },
+};